2012 — Disqus: hackers 17, 17.5M records 2012 17.5M records affected Share on X Technical writeup hackers 17.5m email addresses in July 2012. About a third of those accounts contained passwords, which were hashed using the dated SHA-1 algorithm Root cause Hacked Referenceshttp://www.zdnet.com/article/disqus-confirms-comments-tool-hacked/